layout/generic/frame-verify.js

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* This Source Code Form is subject to the terms of the Mozilla Public
     2  * License, v. 2.0. If a copy of the MPL was not distributed with this
     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     5 /**
     6  * graph-frameclasses.js: a dehydra script to collect information about
     7  * the class hierarchy of frame types.
     8  */
    10 function inheritsFrom(t, baseName)
    11 {
    12   let name = t.name;
    13   if (name == baseName)
    14     return true;
    16   for each (let base in t.bases)
    17     if (inheritsFrom(base.type, baseName))
    18       return true;
    20   return false;
    21 }  
    23 let output = [];
    25 function process_type(t)
    26 {
    27   if ((t.kind == "class" || t.kind == "struct")) {
    28     if (!t.isIncomplete && inheritsFrom(t, 'nsIFrame')) {
    29       if (inheritsFrom(t, 'nsISupports'))
    30         warning("nsIFrame derivative %s inherits from nsISupports but is not refcounted.".format(t.name), t.loc);
    32       let nonFrameBases = [];
    34       output.push('CLASS-DEF: %s'.format(t.name));
    36       for each (let base in t.bases) {
    37         if (inheritsFrom(base.type, 'nsIFrame')) {
    38           output.push('%s -> %s;'.format(base.type.name, t.name));
    39         }
    40         else if (base.type.name != 'nsQueryFrame') {
    41           nonFrameBases.push(base.type.name);
    42         }
    43       }
    45       output.push('%s [label="%s%s"];'.format(t.name, t.name,
    46                                               ["\\n(%s)".format(b) for each (b in nonFrameBases)].join('')));
    47     }
    48   }
    49 }
    51 let frameIIDRE = /::kFrameIID$/;
    52 let queryFrameRE = /^do_QueryFrame::operator/;
    54 /* A list of class names T that have do_QueryFrame<T> used */
    55 let needIDs = [];
    57 /* A map of class names that have a kFrameIID declared */
    58 let haveIDs = {};
    60 // We match up needIDs with haveIDs at the end because static variables are
    61 // not present in the .members array of a type
    63 function process_tree_decl(d)
    64 {
    65   d = dehydra_convert(d);
    67   if (d.name && frameIIDRE.exec(d.name)) {
    68     haveIDs[d.memberOf.name] = 1;
    69   }
    70 }
    72 function process_cp_pre_genericize(d)
    73 {
    74   d = dehydra_convert(d);
    75   if (queryFrameRE.exec(d.name) && d.template === undefined) {
    76     let templtype = d.type.type.type;
    77     while (templtype.typedef !== undefined)
    78       templtype = templtype.typedef;
    80     needIDs.push([templtype.name, d.loc]);
    81   }
    82 }
    84 function input_end()
    85 {
    86   for each (let [name, loc] in needIDs) {
    87     if (!haveIDs.hasOwnProperty(name)) {
    88       error("nsQueryFrame<%s> found, but %s::kFrameIID is not declared".format(name, name), loc);
    89     }
    90   }
    92   if (output.length > 0) {
    93     write_file(sys.aux_base_name + '.framedata', output.join('\n'));
    94   }
    95 }

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